Formulas
- No-three-in-line problem
- Nodal precession
- Non-associative algebra
- Non-integer base of numeration
- Non-negative least squares
- Nondimensionalization
- Nonlinear Dirac equation
- Nonrecursive ordinal
- Nonstandard analysis
- Normal distribution
- Normal form for free groups and free product of groups
- Normal matrix
- Normal probability plot
- Normalization (statistics)
- Nose cone design